Jet Propulsion Laboratory
California Institute of Technology
3-2-1 liftoff of Falcon 9 with GRACE-FO! The Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, a collaboration between NASA and German Research Centre for Geosciences (GFZ) launched f...
GRACE-FO Launches Aboard a SpaceX Falcon 9
A map of groundwater storage trends for Earth's 37 largest aquifers using GRACE data, showing depletion and replenishment in millimeters of water per year.
Map of Groundwater Storage Trends for Earth's 37 Largest Aquifers
NASA JPL-UC Irvine glaciologist Eric Rignot explains how glaciers in West Antarctica are changing.
West Antarctic Collapse
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 3).
GRACE-FO Satellites in Testing
The two GRACE-FO satellites are seen from GFZ’s Satellite Laser Ranging Station in Potsdam, Germany, on May 23, 2018 at 22:16 UTC and 22:17 UTC, respectively.
GRACE-FO Satellites From Potsdam
Illustration of GRACE-FO in orbit (view 3).
GRACE-FO in Orbit (View 3)
The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
For 15 years, the GRACE mission has unlocked mysteries of how water moves around our planet. It gave us the first view of underground aquifers from space, and shows how fast polar ice sheets and mo...
15 Years of GRACE Earth Observations
Depletion of groundwater in northwestern India between 2002 and 2008, measured by GRACE.
Groundwater Depletion in India, 2002-2008
Illustration of GRACE-FO in orbit (view 2).
GRACE-FO in Orbit (View 2)
The GRACE mission launched in 2002, changing our understanding of Earth.
15 Years of GRACE
A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru.
How GRACE-FO Measures Gravity
The GRACE-FO satellites are nearly identical. The Microwave Interferometer (MWI) will measure the minute variations in distance between the spacecraft.
Between 2002 and 2016, Antarctica shed approximately 125 gigatons of ice per year, causing global sea level to rise by 0.35 millimeters per year.
Antarctic Ice Loss 2002-2016
Measuring Earth's Gravity from Space poster
Measuring Earth's Gravity from Space Poster
A 3D interactive model of NASA's GRACE-FO spacecraft.
GRACE-FO 3D Model
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
Research based on GRACE observations indicates that between 2002 and 2016, Greenland shed approximately 280 gigatons of ice per year.
Greenland Ice Loss 2002-2016
The twin GRACE-FO satellites will pick up where the GRACE mission (2002-2017) left off, studying our changing planet.
GRACE Follow-On Media Reel
Illustration of GRACE-FO gravity data over Africa.
GRACE-FO Gravity Data Over Africa
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
Illustration of GRACE-FO above Alaska.
Illustration of GRACE-FO Above Alaska
GRACE observed Earth’s surface mass changes nearly every month from 2002 to mid-2017. GRACE Follow-On will provide crucial continuity to these observations for the next five years or more.
Earth Mass Changes, 2002 to 2017
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 1).
GRACE-FO Satellites, Attached to Turntable Fixtures
The rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
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